Examples with AndFilter io.cdap.cdap.logging.filter.AndFilter used on opensource projects

Example 1 with AndFilter

use of io.cdap.cdap.logging.filter.AndFilter in project cdap by caskdata.

the class FileLogReader method getLogPrev.

@Override
public void getLogPrev(final LoggingContext loggingContext, final ReadRange readRange, final int maxEvents, final Filter filter, final Callback callback) {
    callback.init();
    try {
        Filter logFilter = new AndFilter(ImmutableList.of(LoggingContextHelper.createFilter(loggingContext), filter));
        List<LogLocation> sortedFilesInRange = fileMetadataReader.listFiles(LoggingContextHelper.getLogPathIdentifier(loggingContext), readRange.getFromMillis(), readRange.getToMillis());
        if (sortedFilesInRange.isEmpty()) {
            return;
        }
        long fromTimeMs = readRange.getToMillis() - 1;
        LOG.trace("Using fromTimeMs={}, readRange={}", fromTimeMs, readRange);
        List<Collection<LogEvent>> logSegments = Lists.newLinkedList();
        int count = 0;
        for (LogLocation file : Lists.reverse(sortedFilesInRange)) {
            try {
                LOG.trace("Reading file {}", file);
                Collection<LogEvent> events = file.readLogPrev(logFilter, fromTimeMs, maxEvents - count);
                logSegments.add(events);
                count += events.size();
                if (count >= maxEvents) {
                    break;
                }
            } catch (IOException e) {
                LOG.warn("Got exception reading log file {}", file, e);
            }
        }
        for (LogEvent event : Iterables.concat(Lists.reverse(logSegments))) {
            callback.handle(event);
        }
    } catch (Throwable e) {
        LOG.error("Got exception: ", e);
        throw Throwables.propagate(e);
    }
}

Example 2 with AndFilter

use of io.cdap.cdap.logging.filter.AndFilter in project cdap by caskdata.

the class KafkaLogReader method getLogPrev.

@Override
public void getLogPrev(LoggingContext loggingContext, ReadRange readRange, int maxEvents, Filter filter, Callback callback) {
    if (readRange.getKafkaOffset() == LogOffset.INVALID_KAFKA_OFFSET) {
        readRange = new ReadRange(readRange.getFromMillis(), readRange.getToMillis(), ReadRange.LATEST.getKafkaOffset());
    }
    int partition = partitioner.partition(loggingContext.getLogPartition(), -1);
    LOG.trace("Reading from kafka partition {}", partition);
    callback.init();
    KafkaConsumer kafkaConsumer = new KafkaConsumer(brokerService, topic, partition, KAFKA_FETCH_TIMEOUT_MS);
    try {
        Filter logFilter = new AndFilter(ImmutableList.of(LoggingContextHelper.createFilter(loggingContext), filter));
        long latestOffset = kafkaConsumer.fetchLatestOffset();
        long earliestOffset = kafkaConsumer.fetchEarliestOffset();
        long stopOffset;
        long startOffset;
        if (readRange.getKafkaOffset() < 0) {
            stopOffset = latestOffset;
        } else {
            stopOffset = readRange.getKafkaOffset();
        }
        startOffset = stopOffset - maxEvents;
        if (startOffset < earliestOffset) {
            startOffset = earliestOffset;
        }
        LOG.trace("Using startOffset={}, latestOffset={}, readRange={}", startOffset, latestOffset, readRange);
        if (startOffset >= stopOffset || startOffset >= latestOffset) {
            // At end of kafka events, nothing to return
            return;
        }
        KafkaCallback kafkaCallback = new KafkaCallback(logFilter, serializer.get(), stopOffset, maxEvents, callback, readRange.getFromMillis());
        // Events between startOffset and stopOffset may not have the required logs we are looking for,
        // we'll need to return at least 1 log offset for next getLogPrev call to work.
        int fetchCount = 0;
        while (fetchCount == 0 && kafkaCallback.getEventsRead() <= MAX_READ_EVENTS_KAFKA) {
            fetchCount = fetchLogEvents(kafkaConsumer, kafkaCallback, startOffset, stopOffset, maxEvents, readRange);
            stopOffset = startOffset;
            if (stopOffset <= earliestOffset) {
                // Truly no log messages found.
                break;
            }
            startOffset = stopOffset - maxEvents;
            if (startOffset < earliestOffset) {
                startOffset = earliestOffset;
            }
        }
    } catch (Throwable e) {
        LOG.error("Got exception: ", e);
        throw Throwables.propagate(e);
    } finally {
        try {
            kafkaConsumer.close();
        } catch (IOException e) {
            LOG.error(String.format("Caught exception when closing KafkaConsumer for topic %s, partition %d", topic, partition), e);
        }
    }
}

Example 3 with AndFilter

use of io.cdap.cdap.logging.filter.AndFilter in project cdap by caskdata.

the class KafkaLogReader method getLogNext.

@Override
public void getLogNext(LoggingContext loggingContext, ReadRange readRange, int maxEvents, Filter filter, Callback callback) {
    if (readRange.getKafkaOffset() == ReadRange.LATEST.getKafkaOffset()) {
        getLogPrev(loggingContext, readRange, maxEvents, filter, callback);
        return;
    }
    int partition = partitioner.partition(loggingContext.getLogPartition(), -1);
    LOG.trace("Reading from kafka {}:{}", topic, partition);
    callback.init();
    KafkaConsumer kafkaConsumer = new KafkaConsumer(brokerService, topic, partition, KAFKA_FETCH_TIMEOUT_MS);
    try {
        // Try to get the offset corresponding to fromOffset.getTime()
        if (readRange.getKafkaOffset() == LogOffset.INVALID_KAFKA_OFFSET) {
            readRange = new ReadRange(readRange.getFromMillis(), readRange.getToMillis(), kafkaConsumer.fetchOffsetBefore(readRange.getFromMillis()));
        }
        Filter logFilter = new AndFilter(ImmutableList.of(LoggingContextHelper.createFilter(loggingContext), filter));
        long latestOffset = kafkaConsumer.fetchLatestOffset();
        long startOffset = readRange.getKafkaOffset() + 1;
        LOG.trace("Using startOffset={}, latestOffset={}, readRange={}", startOffset, latestOffset, readRange);
        if (startOffset >= latestOffset) {
            // At end of events, nothing to return
            return;
        }
        KafkaCallback kafkaCallback = new KafkaCallback(logFilter, serializer.get(), latestOffset, maxEvents, callback, readRange.getFromMillis());
        fetchLogEvents(kafkaConsumer, kafkaCallback, startOffset, latestOffset, maxEvents, readRange);
    } catch (Throwable e) {
        LOG.error("Got exception: ", e);
        throw Throwables.propagate(e);
    } finally {
        try {
            kafkaConsumer.close();
        } catch (IOException e) {
            LOG.error(String.format("Caught exception when closing KafkaConsumer for topic %s, partition %d", topic, partition), e);
        }
    }
}

Example 4 with AndFilter

use of io.cdap.cdap.logging.filter.AndFilter in project cdap by caskdata.

the class LoggingContextHelper method createFilter.

public static Filter createFilter(LoggingContext loggingContext) {
    if (loggingContext instanceof ServiceLoggingContext) {
        LoggingContext.SystemTag systemTag = getByNamespaceOrSystemID(loggingContext.getSystemTagsMap());
        if (systemTag == null) {
            throw new IllegalArgumentException("No namespace or system id present");
        }
        String systemId = systemTag.getValue();
        String componentId = loggingContext.getSystemTagsMap().get(ServiceLoggingContext.TAG_COMPONENT_ID).getValue();
        String tagName = ServiceLoggingContext.TAG_SERVICE_ID;
        String entityId = loggingContext.getSystemTagsMap().get(ServiceLoggingContext.TAG_SERVICE_ID).getValue();
        ImmutableList.Builder<Filter> filterBuilder = ImmutableList.builder();
        // In CDAP 3.5 we removed SystemLoggingContext which had tag .systemId and now we use .namespaceId but to
        // support backward compatibility have an or filter so that we can read old logs too. See CDAP-7482
        OrFilter namespaceFilter = new OrFilter(ImmutableList.of(new MdcExpression(NamespaceLoggingContext.TAG_NAMESPACE_ID, systemId), new MdcExpression(ServiceLoggingContext.TAG_SYSTEM_ID, systemId)));
        filterBuilder.add(namespaceFilter);
        filterBuilder.add(new MdcExpression(ServiceLoggingContext.TAG_COMPONENT_ID, componentId));
        filterBuilder.add(new MdcExpression(tagName, entityId));
        return new AndFilter(filterBuilder.build());
    } else {
        String namespaceId = loggingContext.getSystemTagsMap().get(ApplicationLoggingContext.TAG_NAMESPACE_ID).getValue();
        String applId = loggingContext.getSystemTagsMap().get(ApplicationLoggingContext.TAG_APPLICATION_ID).getValue();
        LoggingContext.SystemTag entityTag = getEntityId(loggingContext);
        ImmutableList.Builder<Filter> filterBuilder = ImmutableList.builder();
        // For backward compatibility: The old logs before namespace have .accountId and developer as value so we don't
        // want them to get filtered out if they belong to this application and entity
        OrFilter namespaceFilter = new OrFilter(ImmutableList.of(new MdcExpression(NamespaceLoggingContext.TAG_NAMESPACE_ID, namespaceId), new MdcExpression(ACCOUNT_ID, Constants.DEVELOPER_ACCOUNT)));
        filterBuilder.add(namespaceFilter);
        filterBuilder.add(new MdcExpression(ApplicationLoggingContext.TAG_APPLICATION_ID, applId));
        filterBuilder.add(new MdcExpression(entityTag.getName(), entityTag.getValue()));
        if (loggingContext instanceof WorkflowProgramLoggingContext) {
            // Program is started by Workflow. Add Program information to filter.
            Map<String, LoggingContext.SystemTag> systemTagsMap = loggingContext.getSystemTagsMap();
            LoggingContext.SystemTag programTag = systemTagsMap.get(WorkflowProgramLoggingContext.TAG_WORKFLOW_MAP_REDUCE_ID);
            if (programTag != null) {
                filterBuilder.add(new MdcExpression(WorkflowProgramLoggingContext.TAG_WORKFLOW_MAP_REDUCE_ID, programTag.getValue()));
            }
            programTag = systemTagsMap.get(WorkflowProgramLoggingContext.TAG_WORKFLOW_SPARK_ID);
            if (programTag != null) {
                filterBuilder.add(new MdcExpression(WorkflowProgramLoggingContext.TAG_WORKFLOW_SPARK_ID, programTag.getValue()));
            }
        }
        // Add runid filter if required
        LoggingContext.SystemTag runId = loggingContext.getSystemTagsMap().get(ApplicationLoggingContext.TAG_RUN_ID);
        if (runId != null && runId.getValue() != null) {
            filterBuilder.add(new MdcExpression(ApplicationLoggingContext.TAG_RUN_ID, runId.getValue()));
        }
        return new AndFilter(filterBuilder.build());
    }
}

Example 5 with AndFilter

use of io.cdap.cdap.logging.filter.AndFilter in project cdap by caskdata.

the class FileLogReader method getLog.

@Override
public CloseableIterator<LogEvent> getLog(LoggingContext loggingContext, final long fromTimeMs, final long toTimeMs, Filter filter) {
    try {
        final Filter logFilter = new AndFilter(ImmutableList.of(LoggingContextHelper.createFilter(loggingContext), filter));
        LOG.trace("Using fromTimeMs={}, toTimeMs={}", fromTimeMs, toTimeMs);
        List<LogLocation> sortedFilesInRange = fileMetadataReader.listFiles(LoggingContextHelper.getLogPathIdentifier(loggingContext), fromTimeMs, toTimeMs);
        if (sortedFilesInRange.isEmpty()) {
            // return empty iterator
            return new AbstractCloseableIterator<LogEvent>() {

                @Override
                protected LogEvent computeNext() {
                    return endOfData();
                }

                @Override
                public void close() {
                // no-op
                }
            };
        }
        final Iterator<LogLocation> filesIter = sortedFilesInRange.iterator();
        CloseableIterator<CloseableIterator<LogEvent>> closeableIterator = new CloseableIterator<CloseableIterator<LogEvent>>() {

            private CloseableIterator<LogEvent> curr = null;

            @Override
            public void close() {
                if (curr != null) {
                    curr.close();
                }
            }

            @Override
            public boolean hasNext() {
                return filesIter.hasNext();
            }

            @Override
            public CloseableIterator<LogEvent> next() {
                if (curr != null) {
                    curr.close();
                }
                LogLocation file = filesIter.next();
                LOG.trace("Reading file {}", file);
                curr = file.readLog(logFilter, fromTimeMs, toTimeMs, Integer.MAX_VALUE);
                return curr;
            }

            @Override
            public void remove() {
                throw new UnsupportedOperationException("Remove not supported");
            }
        };
        return concat(closeableIterator);
    } catch (Throwable e) {
        LOG.error("Got exception: ", e);
        throw Throwables.propagate(e);
    }
}